some of the world's cleanest gas turbines are now powering some of america's biggest cities. siemens. answers. >>> bottom of the hour, we'll bring you up to date. pope benedict xiv making the extraordinary announcement that he's abdicating his position. he'll be the first pope to step down in 719 years. the pontiff citing his deteriorating strength and his age. he's 85-year-old. he'll be 86 in april. he has served as pope for less than eight year. ray flynn is joining muss and monsignor thomas mcsweenie. are you surprised for this tectonic shift? >> i've known cardinal ratzinger now pope benedict xiv, many years before he was hope. i'm not surprised at the decision. he always said his papacy would be determined on his strength, his ability to serve god and the church in the most effective way that he possibly can, and those of us who studied the papacy and studied what's going on in rome know that the holy father has been in declining health. he has made an incredible sacrifice to the church and to society by stepping down, leading the way to somebody stronger with more oppor